﻿// This module implements the QsciLexerXML class.
//
// Copyright (c) 2023 Riverbank Computing Limited <info@riverbankcomputing.com>
// 
// This file is part of QScintilla.
// 
// This file may be used under the terms of the GNU General Public License
// version 3.0 as published by the Free Software Foundation and appearing in
// the file LICENSE included in the packaging of this file.  Please review the
// following information to ensure the GNU General Public License version 3.0
// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
// 
// If you do not wish to use this file under the terms of the GPL version 3.0
// then you may purchase a commercial license.  For more information contact
// info@riverbankcomputing.com.
// 
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.


#include "Qsci/qscilexerxml.h"

#include <qcolor.h>
#include <qfont.h>
#include <qsettings.h>


// The ctor.
QsciLexerXML::QsciLexerXML(QObject *parent)
    : QsciLexerHTML(parent), scripts(true)
{
    m_commentSymbol = "";
    m_commentStart = "<!--";
    m_commentEnd = "-->";
}


// The dtor.
QsciLexerXML::~QsciLexerXML()
{
}


// Returns the language name.
const char *QsciLexerXML::language() const
{
    return "XML";
}


// Returns the lexer name.
const char *QsciLexerXML::lexer() const
{
    return "xml";
}


// Returns the foreground colour of the text for a style.
QColor QsciLexerXML::defaultColor(int style) const
{
    switch (style)
    {
    case Default:
        return getColorForCurrentTheme(QColor(0x00,0x00,0x00), QColor(0xFFFFFF));

    case Tag:
    case UnknownTag:
    case XMLTagEnd:
    case SGMLDefault:
    case SGMLCommand:
        // XML标签：暗色模式使用亮蓝色
        return getColorForCurrentTheme(QColor(0x00,0x00,0xff), QColor(0x56,0x9c,0xd6));

    case Attribute:
    case UnknownAttribute:
        // XML属性：暗色模式使用亮红色
        return getColorForCurrentTheme(QColor(0xff,0x0,0x0), QColor(0xff,0x88,0x66));

    case HTMLNumber:
        // 数字：暗色模式使用青绿色
        return getColorForCurrentTheme(QColor(0x00,0x7f,0x7f), QColor(0xb5,0xce,0xa8));

    case HTMLDoubleQuotedString:
    case HTMLSingleQuotedString:
        // 字符串：暗色模式使用橙褐色
        return getColorForCurrentTheme(QColor(0x7f,0x00,0x7f), QColor(0xce,0x91,0x78));

    case OtherInTag:
    case Entity:
    case XMLStart:
    case XMLEnd:
        // XML实体：暗色模式使用紫色
        return getColorForCurrentTheme(QColor(0x80,0x00,0x80), QColor(0xd8,0x88,0xd8));

    case HTMLComment:
    case SGMLComment:
        // 注释：暗色模式使用绿色
        return getColorForCurrentTheme(QColor(0x80,0x80,0x00), QColor(0x6a,0x99,0x55));

    case CDATA:
    case PHPStart:
    case SGMLDoubleQuotedString:
    case SGMLError:
        // CDATA/错误：暗色模式使用暗红色
        return getColorForCurrentTheme(QColor(0x80,0x00,0x00), QColor(0xd8,0x96,0x78));

    case HTMLValue:
        // HTML值：暗色模式使用绿色
        return getColorForCurrentTheme(QColor(0x60,0x80,0x60), QColor(0x6a,0xc9,0x6a));

    case SGMLParameter:
        // SGML参数：暗色模式使用绿色
        return getColorForCurrentTheme(QColor(0x00,0x66,0x00), QColor(0x6a,0xc9,0x6a));

    case SGMLSingleQuotedString:
        // SGML单引号字符串：暗色模式使用橙色
        return getColorForCurrentTheme(QColor(0x99,0x33,0x00), QColor(0xff,0x99,0x66));

    case SGMLSpecial:
        // SGML特殊：暗色模式使用亮蓝色
        return getColorForCurrentTheme(QColor(0x33,0x66,0xff), QColor(0x88,0xaa,0xff));

    case SGMLEntity:
        // SGML实体：暗色模式使用浅灰色
        return getColorForCurrentTheme(QColor(0x33,0x33,0x33), QColor(0xb0,0xb0,0xb0));

    case SGMLBlockDefault:
        // SGML块：暗色模式使用蓝色
        return getColorForCurrentTheme(QColor(0x00,0x00,0x66), QColor(0x88,0x99,0xcc));
    }

    return QsciLexerHTML::defaultColor(style);
}


// Returns the end-of-line fill for a style.
bool QsciLexerXML::defaultEolFill(int style) const
{
    if (style == CDATA)
        return true;

    return QsciLexerHTML::defaultEolFill(style);
}


// Returns the font of the text for a style.
QFont QsciLexerXML::defaultFont(int style) const
{
    QFont f;

    switch (style)
    {
    case Default:
    case Entity:
    case CDATA:
#if defined(Q_OS_WIN)
        f = QFont("Courier New",13);
#elif defined(Q_OS_MAC)
        f = QFont("Courier New", 13);
#else
        f = QFont("Bitstream Charter",10);
#endif
        break;

    case XMLStart:
    case XMLEnd:
    case SGMLCommand:
        f = QsciLexer::defaultFont(style);
        f.setBold(true);
        break;

    default:
        f = QsciLexerHTML::defaultFont(style);
    }

    return f;
}


// Returns the set of keywords.
const char *QsciLexerXML::keywords(int set)
{
    if (set == 6)
        return QsciLexerHTML::keywords(set);

    return 0;
}


// Returns the background colour of the text for a style.
QColor QsciLexerXML::defaultPaper(int style) const
{
    // 暗色模式下不设置特殊背景色，使用编辑器统一背景
    if (!isLightTheme())
    {
        return QsciLexer::defaultPaper(style);
    }
    
    // 所有样式都使用编辑器统一背景，通过前景色来区分
    return QsciLexerHTML::defaultPaper(style);
}


// Refresh all properties.
void QsciLexerXML::refreshProperties()
{
    setScriptsProp();
}


// Read properties from the settings.
bool QsciLexerXML::readProperties(QSettings &qs, const QString &prefix)
{
    int rc = QsciLexerHTML::readProperties(qs, prefix);

    scripts = qs.value(prefix + "scriptsstyled", true).toBool();

    return rc;
}


// Write properties to the settings.
bool QsciLexerXML::writeProperties(QSettings &qs, const QString &prefix) const
{
    int rc = QsciLexerHTML::writeProperties(qs, prefix);

    qs.setValue(prefix + "scriptsstyled", scripts);

    return rc;
}


// Return true if scripts are styled.
bool QsciLexerXML::scriptsStyled() const
{
    return scripts;
}


// Set if scripts are styled.
void QsciLexerXML::setScriptsStyled(bool styled)
{
    scripts = styled;

    setScriptsProp();
}


// Set the "lexer.xml.allow.scripts" property.
void QsciLexerXML::setScriptsProp()
{
    emit propertyChanged("lexer.xml.allow.scripts",(scripts ? "1" : "0"));
}


int QsciLexerXML::lexerId() const
{
	return L_XML;
}
